kill children process recursively.

kill_children_process.py

import os
import subprocess


def kill_children_process(pid, force=False):
    pid = int(pid)
    for line in subprocess.check_output(
            '/bin/ps -eo "ppid pid"',
            shell=True).split('\n')[1:]:
        line = line.strip()
        if line:
            ppid, child_pid = line.split()
            ppid = int(ppid)
            child_pid = int(child_pid)
            if ppid == pid:
                kill_children_process(child_pid, force=force)
                if force:
                    os.system('/usr/bin/sudo /bin/kill %d' % child_pid)
                else:
                    os.system('/bin/kill %d' % child_pid)